Premium Aluminum Alloy Window for Outdoor Office Building and Patio

Premium Aluminum Alloy Window for Outdoor Office Building and Patio. Thermal insulation, warm in winter and cool in summer, energy-saving, hollow+Low-E glass, reflecting summer heat and warm in winter, multiple sealing systems, blocking cold and hot exchange gaps. Sound insulation and noise reduction, away from noise, multi cavity profile+EPDM sealing strip, tight and leak proof. Anti theft security, peace of mind at home, multi-point locking system, multiple locking points simultaneously for anti pry, tempered/laminated glass, impact resistance.